带油孔大型球面滚子轴承外圈热处理工艺的改进  

Improvement of heat treatment technology for outer ring of large spherical roller bearing with oil hole

作　　者：吴琼[1] Wu Qiong(Wafangdian Bearing Group Co.,Ltd.,Wafangdian 116300,China)

机构地区：[1]瓦房店轴承集团有限责任公司

出　　处：《哈尔滨轴承》2019年第3期17-19,共3页Journal of Harbin Bearing

摘　　要：在分析了带有油槽和油孔的大型球面滚子轴承套圈热处理过程中裂纹产生原因的基础上,通过增加去应力退火工序、增加回火次数、改变油槽加工方式、优化加热温度和保温时间等方法,有效避免了热处理裂纹的产生。On the basis of analyzing the causes of crack in the heat treatment process of large spherical roller bearing with oil groove and oil holes,the production of heat treatment cracks is effectively avoided by increasing the de-stress annealing process,increasing the number of tempering,changing the way of processing oil groove,optimizing the heating temperature and keeping the heat time,etc.

关 键 词：带油槽和油孔的大型球面滚子轴承套圈 淬火裂纹 去应力退火 增加回火次数 反工序加工 

分 类 号：TH133.332[机械工程—机械制造及自动化]